102003212101 has 4 divisors (see below), whose sum is σ = 116575099552. Its totient is φ = 87431324652.

The previous prime is 102003212027. The next prime is 102003212131. The reversal of 102003212101 is 101212300201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 102003212101 - 2²³ = 101994823493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102003212131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7285943715 + ... + 7285943728.

It is an arithmetic number, because the mean of its divisors is an integer number (29143774888).

Almost surely, 2^102003212101 is an apocalyptic number.

It is an amenable number.

102003212101 is a deficient number, since it is larger than the sum of its proper divisors (14571887451).

102003212101 is an equidigital number, since it uses as much as digits as its factorization.

102003212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14571887450.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 102003212101 its reverse (101212300201), we get a palindrome (203215512302).

The spelling of 102003212101 in words is "one hundred two billion, three million, two hundred twelve thousand, one hundred one".